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NHANES weights

Let's explore the NHANES survey weights. As we said, minorities are more likely to be sampled. To account for this, their survey weights will be smaller since they represent less people in the population. Let's see if this is reflected in the data.

Cet exercice fait partie du cours

Analyzing Survey Data in R

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Instructions

  • Using dplyr, construct a table of mean survey weights, WTMEC4YR, by race, Race1. Call the table tab_weights.
  • Print the table and observe the differences in the average weights.

Exercice interactif pratique

Essayez cet exercice en complétant cet exemple de code.

#Create table of average survey weights by race
___ <- NHANESraw %>%
  group_by(___) %>%
  summarize(avg_wt = ___)

#Print the table
___
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